103672109 has 4 divisors (see below), whose sum is σ = 108179616. Its totient is φ = 99164604.

The previous prime is 103672099. The next prime is 103672111. The reversal of 103672109 is 901276301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103672109 - 2⁸ = 103671853 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103672139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253719 + ... + 2253764.

It is an arithmetic number, because the mean of its divisors is an integer number (27044904).

Almost surely, 2^103672109 is an apocalyptic number.

It is an amenable number.

103672109 is a deficient number, since it is larger than the sum of its proper divisors (4507507).

103672109 is an equidigital number, since it uses as much as digits as its factorization.

103672109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507506.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 103672109 is about 10181.9501570181. The cubic root of 103672109 is about 469.7721983429.

The spelling of 103672109 in words is "one hundred three million, six hundred seventy-two thousand, one hundred nine".